{
  "dim" : 2,
  "nsec" : 3,
  "sections" : [3, 2, 0.25],
  "box" : [0.5236, 1.0472, 0.5236, 1.0472, -3.1415, 3.1415],
  "eps" : 0.01,
  "delta" : 0.1
}
